C57 Sleeping in Separate Rooms

Yuu Kexi was stunned when she heard this. What did Yuu Yimann mean by tying the string? Could it be that there were other people in the middle that played a role?

Yuu Yimann, who was already angry, immediately said anything when she got angry. Yuu Tianhai was so scared that he immediately covered her mouth when he heard that. He nervously looked outside the door